285405156

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{21961}}^1$

素因数の和:22009

約数の個数: 54

約数和(自身を含む): 761444502

約数和(自身を除く): 476039346

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 2166, 3249, 4332, 6498, 12996, 21961, 43922, 65883, 87844, 131766, 197649, 263532, 395298, 417259, 790596, 834518, 1251777, 1669036, 2503554, 3755331, 5007108, 7510662, 7927921, 15021324, 15855842, 23783763, 31711684, 47567526, 71351289, 95135052, 142702578, 285405156]

約数ペア:

[(1, 285405156), (2, 142702578), (3, 95135052), (4, 71351289), (6, 47567526), (9, 31711684), (12, 23783763), (18, 15855842), (19, 15021324), (36, 7927921), (38, 7510662), (57, 5007108), (76, 3755331), (114, 2503554), (171, 1669036), (228, 1251777), (342, 834518), (361, 790596), (684, 417259), (722, 395298), (1083, 263532), (1444, 197649), (2166, 131766), (3249, 87844), (4332, 65883), (6498, 43922), (12996, 21961)]